ltc6992-2-ltc6992-3 Linear Technology Corporation, ltc6992-2-ltc6992-3 Datasheet - Page 30

• Manufacturer Part Number: ltc6992-2-ltc6992-3
• Description: Timerblox Voltage-controlled Pulse Width Modulator Pwm
• Manufacturer: Linear Technology Corporation

LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
30
SOURCE
TYPICAL APPLICATIONS
PWM
1kHz
R14
10k
R15
10k
CONCEPT DESIGN USING SIMPLE R-C FILTERING FOR PWM CONTROL.
NOT OPTIMIZED FOR OFFSETS.
T1: PCA EPF8119S ETHERNET TRANSFORMER
0.1μF
–
+
V
+
LT1011
0.1μF
V
–
+
+
LT1636
R1
10k
1μF
100k
C1
R2
R10
499k
100kHz
INTERMEDIATE PWM
MOD
GND
SET
LTC6992-2
OUT
DIV
V
+
Isolated PWM (5% to 95%) Controller
20k
R9
0.1μF
L1
ISOLATION
BARRIER
•
T1
•
L2
R5
20k
C4
1μF
100k
R6
4.99k
R16
100k
R18
R7
1k
ISOV
–
+
R17
10k
+
0.1μF
LT1011
1000pF
10k
R8
C3
–
+
R3
1k
LT1636
10k
R4
R11
787k
C2
0.1μF
0.1μF
ISOV
1kHz
ISOLATED PWM
MOD
GND
SET
+
LTC6992-2
OUT
DIV
V
+
ISOPWM
R12
1M
R13
280k
6992 TA14
69921234fb
0.1μF
ISOV
+